APA aipamena

Gilbert D Brum. (1989). Biology: Exploring life. New York: John Wiley.

Chicago Style aipamena

Gilbert D Brum. Biology: Exploring Life. New York: John Wiley, 1989.

MLA aipamena

Gilbert D Brum. Biology: Exploring Life. New York: John Wiley, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.